Identify the algae that has non-flagellated, isogamous gametes.
A
Fucus
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B
Spirogyra
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C
Chlamydomonas
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D
Volvox
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Solution
The correct option is B Spirogyra Spirogyra has gametes that are similar in size (isogamous) and are non- flagellated. Chlamydomonas produces flagellated gametes that are similar or dissimilar in size. In Volvox and Fucus, non-motile female gametes and motile male gametes are produced (oogamy).